13-letter words containing a, i, r, f, o
- caudine forks — a narrow pass in the Apennines, in S Italy, between Capua and Benevento: scene of the defeat of the Romans by the Samnites (321 bc)
- caulifloweret — an individual floret from a cauliflower
- certification — a document attesting the truth of a fact or statement
- certificatory — Serving to certify something.
- cinnamon fern — a large, New World fern (Osmunda cinnamomea, family Osmundaceae) having sterile green fronds and other fronds that bear spores and turn a cinnamon color as the spores mature
- ciprofloxacin — a broad-spectrum antibiotic used against Gram-negative bacteria. It is effective against anthrax
- citation form — the spoken form a word has when produced in isolation, such as when cited for purposes of illustration, as distinguished from the form it would have when produced in the normal stream of speech.
- clarification — to make (an idea, statement, etc.) clear or intelligible; to free from ambiguity.
- clarificatory — Of or pertaining to clarification.
- cobaltiferous — containing cobalt
- cochleariform — having a spoon shape
- confarreation — (in ancient Rome) the highest form of marriage, which was marked by the offering of a cake to Jupiter
- confectionary — a place where confections are kept or made
- confederacies — Plural form of confederacy.
- confederating — Present participle of confederate.
- confederation — A confederation is an organization or group consisting of smaller groups or states, especially one that exists for business or political purposes.
- confederative — of confederates or a confederation
- confessionary — of or relating to confession, especially auricular confession of sins.
- configurating — to give a configuration, form, or design to.
- configuration — A configuration is an arrangement of a group of things.
- configurative — the relative disposition or arrangement of the parts or elements of a thing.
- confirmations — Plural form of confirmation.
- conflagration — A conflagration is a fire that burns over a large area and destroys property.
- conflagrative — That produces conflagration.
- conformations — Plural form of conformation.
- confraternity — a group of men united for some particular purpose, esp Christian laymen organized for religious or charitable service; brotherhood
- confrontation — A confrontation is a dispute, fight, or battle between two groups of people.
- confrontative — tending toward or ready for confrontation: They came to the meeting with a confrontational attitude.
- contrafactive — Denoting a verb that assigns to its object (normally a clausal object) the status of not being true, e.g., pretend and wish.
- coralliferous — bearing or containing coral
- coreferential — (of more than one linguistic expression) designating the same individual or class
- cornfield ant — a small, brown ant, Lasius alienus, that lives in cornfields and feeds on honeydew of the corn-root aphid.
- cornification — the process of producing a horn or horny substance
- corollifloral — relating to, or belonging to, a subclass of plants known as Corolliflorae, which have gamopetalous corolla and stamens attached to the corolla
- cottage fries — potatoes that have been thinly sliced and then fried
- cycloparaffin — any of a series of saturated alicyclic hydrocarbons of the general formula CnH2n, having a closed chain of three or more carbon atoms, as cyclohexane
- dairy factory — a factory making butter, cheese, lactose, etc from milk collected from surrounding farming areas
- date of birth — Your date of birth is the exact date on which you were born, including the year.
- defibrillator — A defibrillator is a machine that starts the heart beating normally again after a heart attack, by giving it an electric shock.
- defibrination — the act or process of defibrinating
- defloration's — the act of deflowering.
- deforestation — to divest or clear of forests or trees: Poor planning deforested the area in ten years.
- deformability — Deformability is the degree to which applying a force can make a particle or solid change shape.
- deformational — of or relating to deformation
- desulfuration — to desulfurize.
- diffarreation — (historical) A form of divorce, among the Ancient Romans, in which a cake was used.
- diffractogram — An image produced by a diffractometer.
- disafforested — Simple past tense and past participle of disafforest.
- disfiguration — an act or instance of disfiguring.
- draft version — a preliminary version